added private setting to package.json

Update package.json

Remove pagination config in view

gulp-if seems to be missing when calling mix.less in the Gulpfile

Remove unused Route

MaintenanceMiddleware implement Contract

Added @throws TokenMismatchException

Add missing gulp-utils package to package.json

Since modern IDE's will expect you to define the @throws attribute, added this to the Docblock.

Update MaintenanceMiddleware to implement the Middleware contract.